/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the License);
 * you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.alibaba.polardbx.optimizer.core.rel.dml.util;

import com.alibaba.polardbx.optimizer.utils.RexUtils;
import org.apache.calcite.rex.RexNode;

/**
 * Context of a RexNode handler call.
 */
public interface RexHandlerCall {

    <T extends RexNode> T getRex();

    RexFilter buildRexFilter();

    RexFilter buildRexFilterTree();

    RexUtils.RexNodeTransformer buildTransformer();

    void transformTo(RexNode newRex);

    RexNode getResult();

    /**
     * Copy RexHandlerCall with rex and result replaced
     */
    RexHandlerCall copy(RexNode newRex, RexNode result);

    /**
     * Clone RexHandlerCall
     */
    RexHandlerCall copy();
}
